Solve for x
Solve for x: 3x+1=2x+5
4
What is the appropriate measure of center for an asymmetrical distribution (mean and median are not close to the same values)?
Median
A relationship is one in which a change in one of the variables causes a change in the other variable.
causal relationship
What is (5/7)*(3/3)?
(15/21)
What is the inverse function of y = x + 21 ?
x=y-21
Solve for x: 4x+8=2x+-14
-11
What is the appropriate measure of variability for an asymmetrical distribution (mean and median are not close to the same values)?
Interquartile Range (IQR)
A limitation on the possible values of variables in a model, often expressed by an equation or inequality or by specifying that the value must be an integer.
constraint
What is (2/9)*(1/9)?
(2/81)
What is the inverse function of y = x - 49 ?
x=y+49
Solve for x: 3x+-10=x+-2
4
What is the appropriate measure of center for a symmetrical distribution (mean and median are about the same)?
Mean
A number between -1 and 1 that describes the strength and direction of a linear association between two numerical variables.
correlation coefficient
What is (2/9)*(2/5)?
(4/45)
What is the inverse function of f(x) = x + 32 ?
x=f(x)-32
Solve for x: 4x+7=2x+23
8
What is the appropriate measure of variability for a symmetrical distribution (mean and median are about the same)?
Standard Deviation
A variable representing the output of a function.
dependent variable
What is (4/3) + (5/9)?
(17/9)
What is the inverse function of g(x) = x - 38 ?
x=g(x)+38
Solve for x: 3x+6=2x+-6
-12
A number's distance from 0 on the number line.
absolute value
The set of all of its possible input values
domain
What is (1/3) + (3/9)?
(6/9)
What is the inverse function of y = (x / 24)?
x=24y